
COMMUNICATIONS, PA/INTERPHONE
Description
Aircraft Operations Manual
4/4.1
S2
PAGE
4
Dec 01/15
A/C 380--up
A14854
A
A
FLIGHT DECK INTERPHONE
Push To Talk button
Only needed for PA calls.
Interphone calls with headset (with or
without oxygen mask) in use
Calls to cabin:
-- Select a function button (PA, CALL, or
EMER).
-- Press the CAB interphone button and
give message in headset/mask micro--
phone.
-- After message, release CAB inter--
phone button which also resets the
selected function button.
Calls from cabin:
-- Press the CAB interphone button to
answer message.
-- After message, release the CAB inter--
phone button.
Interphone calls
Calls to cabin:
-- Lift the handset and select (PA,CALL, or
EMER).
Calls from cabin:
-- Lift the handset and answer message.
NOTE
If oxygen mask is used together with
headset, the BOOM MASK switch on
the ACP must be in MASK position.
Interphone panel
Emergency calls are identified by triple
HI--LOW chimes and the red EMER but-
ton on the Interphone panel comes on.
Flight deck calls are identified by single
HI--LOW chime and the green CALL but-
ton on the Interphone panel comes on.
Fig. 3 Cockpit interphone and PA buttons -- controls